Shoe-support.



1. H. POPE.

SHOE SUPPORT.

APPLICATION FILED FEB. 3. 1914.

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J. H. POPE.

SHOE SUPPORT.

APPLICATION F|LED FEB. a. 1914.

Patented Oct. 24, 1916.

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JOSEPH I-I. POPE, 0F HAMILTON, MASSACHUSETTS, ASSIGNOB TO UNITED SHOEMACHINERY COMPANY, OF PATERSON, NEW JERSEY, A CORPORATION OF NEW JERSEY.

SI-IOE-S UPPORT.

Application filed February 3, 1914. Serial N 0. 816,350.

To all whom it may concern Be it known that I, JosnrH H. Porn, a citizenof the United States, residing at Hamilton, in the county of EssexandState of Massachusetts, have invented certain Improvements inShoe-Supports, of which thefollowing description, in connection with theaccompanying drawings, is a specification, like reference characters'onthe drawings indicating like parts in the several figures.

This invention relates to machines for operating upon shoes while on thewooden last.

In performing many operations it is desired to subject a shoe andinclosed last to considerable pressure as, for example, in a heelattaching machine where a heavy pressure is applied to the shoe and heelpreliminarily to the operation of the awls' or drivers. In machines ofthis class there has heretofore been an objectionable amount of lastbreakage. his is on account of the fact that the entire pressure hasbeen borne by the last cone which is of small cross-section.

An important object of the present invention is to provide means forsuppcrtinga shoe on the last without pressure on the cone.

As herein shown this is effected by means arranged to engage the slopingsides of a shoe on the last ad acent to the counter.

The attempt has been made heretofore to support a shoe on the last bymeans which include side gripping members arranged to be actuated byvertical pressure transmitted through the small upper surface of thecone of the last. As distinguished from such construction the presentinvention contemplates,

as one cf its features, the provision of side gripping members arrangedto be actuated in their gripping action by the vertical pressuretransmitted through them to other parts of the machine. the uppersurface of the cone of the last receiving no pressure and having nofunction in positioning the shoe. In the illustrated embodiment of theinvention'this' is effected by forming the gripping members on a pair oflevers arranged to extend at their upper ends upon opposite sides of-theshoe and having a spreading member located between their lower ends.

In o erating upon a-large number of shoes it'is important that thevarious elements of Specification of Letters Patent.

Patented oat. 24, 1916.

operative position in precisely the proper position regardless ofvariations in the size or shape of the last or shoe.

To this end the present invention contemplates the provision of the shoegripping members arranged for bodily adjustment about an axis in thebase of the jack.

Other features ofthe invention relate to improved shoe positioning gagesand these, as herein shown, ccmprise oppositely arranged counter gagesand a back gage, all three gages being mounted so as to yield verticallywith the shoe when the latter is subjected to pressure. Thisprovisionfor yielding movement obviates the possibility of the gages defacing theupper and at the same time insures that the shoe shall not be displacedfrom the position desired.

, These and other features of the invention will be best understood andappreciated from the following description'of a preferred imbodimentthereof selected for purposes of illustration and shown in theaccompanying drawings, in which, v

Figure '1 is a view in front elevation of a heel nailing machine in theconstruction of which my improvements have been embodied, parts beingshown in section. and other parts broken away for clearness ofillustration; 'Fig. 2 is a view in perspective of the jack, with theshoe in place, showing also parts of the machine frame. and Fi 3 isaview of the jack in longitudinal vertical section.

In the accompanying drawings the in ention is illustrated as embodied ina heel attaching machine of the tvpe illustrated in my prior Patent No.446.885 granted February 24, 1891. although the present in ention is notlimited in its application to that or any other particular typeofmachine.

The frame 14 of the mach ne is provided with vertical journals in whichIQCIDI'OCfltG.

the. supporting means should be adjustablegjjack carriage 12. The latteris provided tdwith horizontal wayslfor the-jack;

in order that the-shoe maybe presented in carries the shoe supportingdevices which will presently be describedin detail.

The jack carriage 12 is elevated to measure thework preliminarily to theoperation of the machine by a screw 13 which is rotated by ahorizontally extending rack 11. The latter is actuated manually or bymechanical means before the machine is set in operation. After themeasuring operation the jack carriage support 34 and the parts includingthe jack carried thereby are elevated by the oscillation of the cam 33.Thisisefiected by the power of the machine a and subjects the work to aheavy positive pressure. The cross-head 16 then descends and theattaching nails are driven through the heel blank 23 which isheldbeneath the die plate 18 and through the outsole of the shoe which isbeing forced against the under sidev of the heel blank in the mannerabove outlined. i As above pointed out it has been the practiceheretofore to support the shoeduring' these operations by resting thecone ofthe last upon asupporting member. In accordance with theillustrated embodiment of the present invention, however, the shoe issupported by a pair of oppositely arranged gripping members whichcomprise the plates 21 faced with pads 22. These plates are arranged toengage the sloping sides of the shoe on the last adjacent to the counterand as the last is somewhat wedgeshaped in cross-section and the platesare arranged in a correspondingly downwardly converging position it willbe seen that vertical pressure applied to the shoe will be resisted bythe gripping plates. So long as the latter are I prevented fromseparating the shoe will be held in position. a

One manner of supporting the gripping plates is shown hereinand'consists in swiveling each plate upon the upper end of .a lever 20journaled between its ends upon a 45 horizontal I pin 2 extendingbetween the forked arms of a yoke 3. The yoke -3 is mounted for limitedvertical movement upon the upper end of a spindle 4 and is preventedfrom turning by a key or screw 10 which enters a vertical key way in thespindle. The spindle is threaded adjacent to its lower end and providedwith a largev conical nut 24 upon opposite sides of which-bear the lowerends'of the levers 20. The lower ends of the levers 20 areprovided withswivel blocks 30 mounted pivotally upon pins 32, and are connected by aspring 35 which serves to draw the lower ends of the levers I togetherand thus hold the bloc-ks 30 in contact with-the cone 24. An adjustingscrew 36 and lock nut are provided by means of which the tension of thespring 35 may be. regulated. This is convenient in operating" ehpe vying insi as large levers 20 must be permitted to approach each other, acondition which might require an increased tension in the spring 35.

'At its lower end the spindle 4 is pinned by across-pin 8 to .a yoke5which is connected to a lug on the base of the jack by a pivot 6extending from front to rear of the machine. This arrangement permitsthe spindle 4 and all of the parts carriedthereby to be rocked laterallyin the machine so that the position ofthe shoe may be adjustedtransversely with respect to the drivers. To limit the rocking movementof the spindle an adjustable stop 37 is provided on either side of theyoke 5 and this arrangement permits the parts above discussed to berocked equal distances from a median position, an

adjustment which may be convenient for example in operating uponalternate right and left shoes.

,In the usual adjustments of the vparts above discussed the yoke 3 willbe maintained near theupper limit of its movement by the engagement ofthe blocks 30 with the surface of the cone 24 on account of the tensionof the spring 35. When vertical pressure is imparted to the yoke 3 andit is displaced downwardly the surface of the cone tends to separate thelower ends of the levers 20 and apply an'increased lateral pressure tothe shoe being operated upon. The greater the vertical pressure appliedto the shoe and consequently to the yoke 8, the greater lateral pressurewill be applied to the sides of the shoe through the gripping plates sothat the efiect of the increased vertical pressure tending to displacethe shoe downwardly will be counteracted by the increased grippingaction of the gripping plates.

At the forward end of the jack there is provided a toe post 40 pivotallymounted upon a pin 44 extending between the sides of the casing of thebase of the jack. The toe post is bored longitudinally to receive athreaded shank 42 which carries the toe rest 41. A bearing nut 43 isthreaded upon the shank 42 and by resting upon the upper end of the post40 determines the ver-v locking pin 47 yieldingly mounted in the jackcasing. The longitudinal position of the rest 41 is determined byswinging the post 42 forwardly or rearwardly, the latter being held inadjusted position by the locking pin 47 The rear end of the shoe ispositioned properly with respect to the drivers by a pair of countergages and a' back gage.

These gages are (mounted for a limited yield ing movement so that theywill. accompany abs saw :in slight downward di p ce- ,ment whensubjected to pressure.

counter gage 50 is formed on the upper end of a bell crank lever 45 andis shaped to enter the rand crease of the shoe held by the grippingplates. The levers elf) are each provided with an inwardly extending arm60 and these arms are geared together so as to insure an equal andopposite movement of the gages. A spring 62 surrounding a rod 61 bearsagainst the upper side of the arms 60 and by depressing the same tendsto move the counter gages together.

The rod 61 projects downwardly from a bracket 63 in which is slidinglymounted the lower end of a rod 6t carrying the back gage 70'at its upperend. Near its upper end the rod 64 slides in an angle piece having athreaded shank 71 which extends through the forks of a bracket 72 on themachine frame. An adjusting nut 7 5 on the shank 71 serves to determinethe adjustedposition of the back gage. The rod 64: and the back gage aremaintained normally in an elevated position by a compression springwhich encircles the lower end of the rod 64 as shown in Figs. 2 and 3.The lower end of the rod 64 fits loosely in the bracket 63 so thatforward and rearward movement of the back gage does not cramp the rod 64in its lower bearing.

One construction permitting vertical yielding movement of the counterclamps is shown in Fig. 2. The levers 45 are pivotally mounted upon thecarriage 52 extending horizontally across the machine and having ateither side a vertically disposed shank 53 which is received in a socketin a bracket 54 bolted to the jack carriage 12.

Each shank 53 is shouldered as shown in Fig. 2 and is supported by aspiral compres sion spring 55.

The construction of the work support will be apparent from the foregoingdescriptibn and its operation when used in the illustrated heelattaching machine will now be briefly outlined. The jack 46 is pulledoutwardly in the ways of the jack carriage and the shoe on a last isplaced with its counter portion between the gripping plates 21 and itstoe portion resting upon the toe rest 41. The position of the toe restis then adjusted for height and for the length of the shoe in question.The conical nut 24 is turned to open and close the gripping plates tothe proper extent for the shoe and thereupon the jack and shoe arepushed rearwardly into the machine, carrying the heel portion of theshoe between the counter gages 50 and into contact with the back gage70. The counter gages act automatically to center the shoe regardless ofits shape and to accommodate this operation the spindle 4 may be swungsomewhat about the pivot 6. Previously the heel blank 23 has beenpresented beneath the die plate 1821s. shown in Fig. 1

Each I and in the measuring operation the jacked 6 shoe is raised intoengagement with the heel blank. This operation settles the shoe firmlybetween the gripping plates 21, the latter automatically conforming tothe shape of the last by reason of their swivel mounting. Thcreupon themachine is started and the jack is elevated by the action of the cam 33subjecting the work to an increased and positive pressure. As previouslyexplained, this increased vertical pressure results in an, increasedlateral pressure by the gripping plates so that the shoe is held firmlyin position without further displacement. In settling itself between thegripping plates the shoe carries with it the counter gages and the backgage which, as already explained, are permitted to yield downwardly withthe shoe/ While the shoe. is

thus held under pressure the attaching nails are driven and theoperation so completed. The jack is then lowered and with the removal ofthe vertical pressure on the shoe the lateral pressure of the grippingplates is simultaneously released so that the shoe may be removed.

Having illustrated and described my in vention, what I claim as new anddesire to secure by Letters Patent of the United,

States is: a

1. A shoe support including opposed gripping members arranged to engagethe slopmg sides of a shoe on a last and to transmit vertlcal pressureapplled to a shoe, and means for causing vertlcal pressure sotransmitted to effect a closing-1n movement of the gripping members. r

2. A shoe support including opposed gripping members arranged toconverge downwardly for engaging the sloping sides of a shoe on a last,and means for closing in said members rendered effective by verticalpressure transmitted through the opposed grips ping members. 7 I

3. A shoe support including side gripping members arranged. to receivea'lateral and vertical pressure when the shoe is subjected to verticalpressure, levers carrying the gripping members. and-means acting on theopposite ends of the levers from the gripping members and responsivetothe vertical pressure on the gripping members for contracting saidmembers. i

4:. A shoe support including a pair of levers pivotally mounted andextending at ping members carried'by said spindle for yieldingmovementwith a shoe supported on the jack, and a gage carried by the gage rod.6. A shoe support including a carrier and spreader arranged for limitedrelative movement in response to pressure applied to a shoe on thesupport, and oppositely disposed gripping members supported by thecarrier.

7. A shoe supportincluding a carrier and spreader arranged for limitedrelative movement when the shoe is subjected tojvertical pressure, andside gripping members mount-v ed on the carrier and arranged to beforced by the action of the spreader into engagement with the sides ofthe shoe, said members also servingto support the carrier vertically.

' 8. A shoe support includinga jack having a spindle arranged to rockabout a longitudinal axis at substantially right angles thereto, andrelatively movable side gripholding a shoe in place against pressure atright angles to'its sole.

"95A shoe supporting jack' including a spindle pivotally mounted at itslower end for movement about an axis extending longitudinally ofthe'shoe, a conical expanding memberadjustably mounted on the spindleand arranged to spread thelower ends of the levers.

'11; A shoe support including a spindle, a carrier movably supportedthereon and hav ing oppositely arranged pivoted levers, a swivel platemounted on one end of each lever, a swivel block mounted on the oppositeend of said levers, and an adjustable cone arranged to press on saidswivel blocks.

Copies of this patent may be obtained for 12 A shoe support inc ludingavertically movable head, pivoted arms thereon, a cone arranged to beengaged by the lower ends of the arms and to support the head throughthe arms, and a spring for drawing to gether the ends of the arms whichengage the cone. I

13. A shoe support including a cone, and vertically movable shoeengaging members supported against vertical pressure by means engagingthe sloping surface of the cone."

let. A shoe support including a cone, vertically movable shoe engagingmembers, means engaging thesloping surface of the cone for holding saidmembers imposition vertically, and a spring for maintaining said meansin engagement with the cone.

15. A shoe support including a jack carriage, a jack having shoeengaging members arranged for a slight downward displacement when theshoe is subjected to pressure, and shoegages yieldingly mounted in thejack carriage to permit a corresponding displacement.

16. A shoe support including a jack,

bracket adjacent to the jack, a guide men1- ber adjustable forwardly andrearwardly in the bracket, a gage rod associated with the bracket andarranged to yield vertically, and a back gage carriedby the rod.

17. A shoe support including a jack, a

carrier mounted for yielding vertical movement at the rear of the jack,a pair of levers pivotally mounted on the carrier for movement aboutaxes extending longitudinally of a shoe on the jack and having countergages thereon, and means for swinging the levers to bring the gages intoengagement with the shoe.

In testimony whereof I have signed my name to this specification in thepresence of twg subscribing witnesses.

JOSEPH H. POPE.

lVitnesses:

G. T. SMITH, (1A. SESSIONS.

five cents each, by addressing the Commissioner of Patenta Washington.'D. C.

